JPH07111079A - Disk recording and reproducing device - Google Patents
Disk recording and reproducing deviceInfo
- Publication number
- JPH07111079A JPH07111079A JP6214697A JP21469794A JPH07111079A JP H07111079 A JPH07111079 A JP H07111079A JP 6214697 A JP6214697 A JP 6214697A JP 21469794 A JP21469794 A JP 21469794A JP H07111079 A JPH07111079 A JP H07111079A
- Authority
- JP
- Japan
- Prior art keywords
- recording
- disk
- main chassis
- housing
- pickup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は光ディスクなどの高密度
記録円盤の記録再生装置の機構構成に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanical structure of a recording / reproducing apparatus for a high density recording disk such as an optical disk.
【０００２】[0002]
【従来の技術】光ディスクなどの円盤記録再生装置で記
録円盤をディスクモ−タ−のシャフトの同心位置まで案
内して位置を保持あるいは記録円盤を排出するロ−ディ
ング機構の従来の一実施例を図７、図８に示す。すなわ
ち、ディスクモ−タ３とタ−ンテ−ブル２と走査手段を
有するピックアップ８を保持するメインシャ−シ４の一
端部４ａに回動支点用の穴４ｂを設け、その穴に回動支
軸１３を通し、回動支軸１３は筐体１内の突起部１ｄに
固定する。図８（イ）、（ロ）、（ハ）はロ−ディング
の動作を示すものであり、（イ）に示す記録円盤１４を
ロ−ディングする前には、メインシャ−シ４は回動支点
４ｂを中心にＳ２方向に回動し、メインシャ−シ４の先
端部４ｃが下がった状態にある。次に（ロ）の様に記録
円盤１４が入ったカ−トリッジケ−ス１５を筐体１内の
位置決め板１ｃの位置まで挿入すると（ハ）に示すよう
にギヤ−ドモ−タ１１の駆動により、メインシャ−シ４
は回動支点４ｂを中心にＳ１方向に回動し、メインシャ
−シ４の先端部４ｃが上がる。カ−トリッジケ−ス１５
の少なくとも片面には、タ−ンテ−ブル２用の穴とピッ
クアップ８による信号記録再生用の穴が設けられてい
る。メインシャ−シ４が記録円盤１４と平行になる位置
までくると、センタ−リング２ａと記録円盤１４の中心
穴１４ａが係合し、記録円盤１４はタ−ンテ−ブル２上
に位置決めされる。記録円盤１４の中心穴１４ａの周辺
には磁性体の金属製ハブ１４ｂが取り付けられており、
また、タ−ンテ−ブル２上には磁石２ｂが埋め込まれて
おり、この磁石２ｂの磁力により記録円盤１４はタ−ン
テ−ブル２上に吸着固定される。その後、ディスクモ−
タ３が記録円盤１４を回転させ、記録円盤１４の径方向
に往復移動するピックアップ８により信号の記録再生が
行われるように構成されている。2. Description of the Related Art A conventional embodiment of a loading mechanism for guiding a recording disk to a concentric position of a shaft of a disk motor in a disk recording / reproducing apparatus for an optical disk and holding the position or ejecting the recording disk. 7, shown in FIG. That is, one end 4a of the main chassis 4 which holds the pickup 8 having the disc motor 3, the turntable 2 and the scanning means is provided with a hole 4b for a rotation fulcrum, and the rotation support shaft 13 is provided in the hole. The rotation support shaft 13 is fixed to the protrusion 1d in the housing 1 through the. 8 (a), (b), and (c) show the loading operation. Before loading the recording disk 14 shown in (a), the main chassis 4 has a pivoting fulcrum. It rotates in the S2 direction around 4b, and the tip portion 4c of the main chassis 4 is in a lowered state. Next, as shown in (b), the cartridge case 15 containing the recording disk 14 is inserted to the position of the positioning plate 1c in the housing 1, and the geared motor 11 is driven as shown in (c). , Main chassis 4
Rotates about the rotation fulcrum 4b in the S1 direction, and the tip portion 4c of the main chassis 4 rises. Cartridge case 15
A hole for the turntable 2 and a hole for recording / reproducing the signal by the pickup 8 are provided on at least one surface of the. When the main chassis 4 reaches a position parallel to the recording disk 14, the center ring 2a and the center hole 14a of the recording disk 14 are engaged with each other, and the recording disk 14 is positioned on the turn table 2. A magnetic metal hub 14b is attached around the center hole 14a of the recording disk 14,
A magnet 2b is embedded on the turntable 2, and the recording disk 14 is attracted and fixed on the turntable 2 by the magnetic force of the magnet 2b. After that, the disk mode
The recorder 3 rotates the recording disk 14, and a pickup 8 that reciprocates in the radial direction of the recording disk 14 records and reproduces a signal.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
ような構成では、メインシャ−シ４の傾き動作を行う
為、メインシャ−シ用の回動支軸１３とメインシャ−シ
の回動支点用の穴４ｂとの間に隙間が必要であり、メイ
ンシャ−シ４の筐体１に対する不要な振動である、がた
つきが避けられない。このがたつきにより信号記録再生
中にディスクモ−タ３の回転やピックアップ８の動作を
原因としてメインシャ−シ４上で発生する特定の振動が
増大し比較的周波数の低い共振現象が発生しやすいとい
う問題点がある。However, in the above-mentioned structure, since the main chassis 4 is tilted, the rotation shaft 13 for the main chassis and the hole for the rotation fulcrum of the main chassis are formed. A clearance is required between the main chassis 4 and the housing 4b, and rattling, which is unnecessary vibration of the main chassis 4 with respect to the housing 1, cannot be avoided. Due to this rattling, the specific vibration generated on the main chassis 4 due to the rotation of the disk motor 3 and the operation of the pickup 8 during signal recording / reproduction increases, and a resonance phenomenon having a relatively low frequency is likely to occur. There is a problem.
【０００４】さらに図８（イ）ようにシャーシが傾斜し
ている状態で、装置の電源を切られ、設置場所の移動な
どが行われるが、同図の状態ではピックアップ８は高速
動作をさせるために、リニアモータなどの位置保持力の
無い場合が多く、乱雑な取り扱いをすると、ピックアッ
プ８がレール上６で左右に大きく振られ、また位置規制
部材に強く打ちつけられ易いため、ピックアップ等の故
障を発生し易いという課題も有していた。Further, when the chassis is tilted as shown in FIG. 8A, the power of the apparatus is turned off and the installation place is moved. However, the pickup 8 operates at high speed in the state shown in FIG. In many cases, there is no position holding force of the linear motor, etc., and if handled roughly, the pickup 8 will be greatly shaken to the left and right on the rails 6 and will be easily struck by the position regulating member. It also had a problem that it easily occurred.
【０００５】本発明は上記問題点に鑑み、メインシャ−
シのがたつきを無くし、メインシャ−シの傾き動作がで
き、さらに電源を入れない状態でのピックアップの保護
を有効に行う円盤記録再生装置を提供するものである。In view of the above problems, the present invention is a main chassis.
(EN) A disc recording / reproducing apparatus capable of eliminating the rattling of the shaft, allowing the main chassis to tilt, and effectively protecting the pickup when the power is not turned on.
【０００６】[0006]
【課題を解決するための手段】上記問題点を解決する為
に、本発明の円盤記録再生装置は、保護用のカ−トリッ
ジケ−スに入った記録円盤を回転駆動する為のディスク
モ−タと、前記ディスクモ−タのシャフトに略同心に取
り付けられたタ−ンテ−ブルと、前記記録円盤に信号を
記録再生するピックアップと、前記記録円盤の信号記録
面と対面して前記ピックアップを走査させる走査手段
と、前記記録円盤入りの前記カ−トリッジケ−スを前記
ディスクモ−タのシャフトの略同心位置まで案内し、位
置を保持し、また排出するロ−ディング機構と、前記デ
ィスクモ−タと前記タ−ンテ−ブルと前記ピックアップ
と前記走査手段を保持するメインシャ−シと、前記ロ−
ディング機構と前記メインシャ−シを保持する筐体を有
し、捩れによる弾性で一軸方向にのみ回転可能で、その
他の軸方向に対しては剛性を有する支持部材によって前
記メインシャ−シと前記筐体が連結され、前記記録円盤
を前記ディスクモ−タのシャフトの略同心位置まで案内
する間、前記連結部材の捩れにより前記メインシャ−シ
が前記記録円盤に対して傾き、その後前記メインシャ−
シの傾きを戻すことによって前記タ−ンテ−ブルも同時
に移動して、前記記録円盤を前記タ−ンテ−ブルに装着
する機構を有したものである。In order to solve the above problems, the disk recording / reproducing apparatus of the present invention comprises a disk motor for rotationally driving a recording disk contained in a protective cartridge case. A turntable mounted on the shaft of the disc motor substantially concentrically, a pickup for recording / reproducing a signal on / from the recording disc, and a scanning for scanning the pickup facing a signal recording surface of the recording disc. Means, a loading mechanism for guiding the cartridge case containing the recording disk to a substantially concentric position of the shaft of the disk motor, holding the position, and ejecting the disk motor, the disk motor and the motor. Main table holding the table, the pickup and the scanning means, and the roll
A housing for holding the main chassis and the main chassis, and the main chassis and the housing are supported by a supporting member that is elastic by twisting and can rotate only in one axial direction and has rigidity in the other axial directions. The main chassis is tilted with respect to the recording disk due to the twisting of the connecting member while the recording disk is guided to the substantially concentric position of the shaft of the disk motor, and then the main chassis.
The turntable also moves at the same time by returning the tilt of the blade, and the recording disk is mounted on the turntable.
【０００７】また上記メインシャーシが記録円盤をロー
ディングするために、下方に待機しているとき、ピック
アップの下方の筺体上に粘弾性体等の固定部材を備え、
固定部材がピックアップの一部に当接する構造を有する
ものである。Further, when the main chassis waits downward for loading the recording disk, a fixing member such as a viscoelastic body is provided on the housing below the pickup,
The fixing member has a structure that abuts on a part of the pickup.
【０００８】[0008]
【作用】上記した構成の支持部材として断面形状がＬ型
の板ばね等を使用することにより、回動方向に弾性を有
し、それ以外の軸方向に剛性を確保でき、メインシャ−
シの傾き動作の機能を持ちながら、筐体に対するメイン
シャ−シのがたつきを無くした円盤記録再生装置を得る
ものである。さらに回動方向に弾性を有するため、この
弾性力を反力として利用し、メインシャ−シにかかる重
力と釣り合わせる構成にできるため、ローディング機構
駆動用のモータにかかる負荷を軽減するという効果も有
する。By using a leaf spring or the like having an L-shaped cross section as the support member having the above-mentioned structure, it has elasticity in the rotating direction and rigidity can be secured in the other axial directions.
(EN) A disc recording / reproducing apparatus which has the function of tilting the chassis while eliminating the rattling of the main chassis with respect to the housing. Further, since it has elasticity in the rotation direction, this elastic force can be used as a reaction force to balance with the gravity applied to the main chassis, which also has the effect of reducing the load on the motor for driving the loading mechanism. .
【０００９】また上記固定部材でピックアップを適度な
強度で位置規制するため、電源を切った状態での取り扱
いが極めて容易になるという効果を有する。Further, since the position of the pickup is regulated by the above-mentioned fixing member with an appropriate strength, there is an effect that handling with the power off is extremely easy.
【００１０】[0010]
【実施例】以下、本発明の一実施例の円盤記録再生装置
について図、、図２を参照しながら説明する。なお、こ
の実施例を示す図面において、前記従来例と構成並びに
動作が共通する部分には共通の符号を付けている。図１
は本発明による円盤記録再生装置の実施例の構成概要を
示した斜視図である。１は筐体で、内部には断面形状が
Ｌ型の板ばねの両端を取り付ける為の支柱１ａが２本設
けられている。２はタ−ンテ−ブルで、記録円盤１４の
中心穴１４ａと係合し同記録円盤１４の位置を決める。
３はディスクモ−タで、タ−ンテ−ブル２と記録円盤１
４を回転させる。４はメインシャ−シで、断面形状がＬ
型の板ばね５が取り付けられている。またこの板ばね５
を介して、メインシャ−シ４は筐体１の支柱１ａに取り
付けられている。６、７はピックアップ８の走行用のレ
−ルで、メインシャ−シ４に取り付けられている。ピッ
クアップ８は記録円盤１４に信号を記録すると共に同記
録円盤１４に記録された信号を再生する機能を有するも
のである。ピックアップ８にはレ−ル６、７と嵌合して
同ピックアップ８を摺動自在に支持する軸受け８ａが設
けてあり、図中Ｙ１、Ｙ２方向に直線的に移動可能とな
っている。９はリニアモ−タ用の磁気回路で、メインシ
ャ−シ４に取り付けられている。１０はリニアモ−タ用
のコイルで、ピックアップ８に取り付けられている。コ
イル１０を流れる電流により、ピックアップ８はＹ１、
Ｙ２方向に駆動される。１１はギア−ドモ−タで、出力
軸にはピニオン歯車１１ａが付いている。１２は平歯車
で、偏心位置に突起軸１２ａを持つ。ピニオン歯車１１
ａと平歯車１２が噛み合い、突起軸１２ａとメインシャ
−シ４の端部に設けられた突起４ｃとが係合している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A disk recording / reproducing apparatus according to an embodiment of the present invention will be described below with reference to the drawings and FIG. In the drawings showing this embodiment, common reference numerals are given to portions having the same construction and operation as those of the conventional example. Figure 1
FIG. 1 is a perspective view showing a schematic configuration of an embodiment of a disk recording / reproducing device according to the present invention. Reference numeral 1 denotes a housing, inside of which two columns 1a for attaching both ends of a leaf spring having an L-shaped cross section are provided. A turntable 2 is engaged with the central hole 14a of the recording disk 14 to determine the position of the recording disk 14.
3 is a disc motor, which is a turntable 2 and a recording disc 1
Rotate 4. 4 is a main chassis with a cross section of L
A mold leaf spring 5 is attached. Also, this leaf spring 5
The main chassis 4 is attached to the column 1 a of the housing 1 via the. Numerals 6 and 7 are rails for traveling of the pickup 8 and are attached to the main chassis 4. The pickup 8 has a function of recording a signal on the recording disk 14 and reproducing the signal recorded on the recording disk 14. The pickup 8 is provided with a bearing 8a that fits with the rails 6 and 7 and slidably supports the pickup 8, and is linearly movable in the Y1 and Y2 directions in the drawing. A magnetic circuit 9 for a linear motor is attached to the main chassis 4. A coil 10 for a linear motor is attached to the pickup 8. Due to the current flowing through the coil 10, the pickup 8 is Y1,
It is driven in the Y2 direction. Reference numeral 11 is a geared motor, and an output shaft is provided with a pinion gear 11a. 12 is a spur gear, which has a protruding shaft 12a at an eccentric position. Pinion gear 11
a and the spur gear 12 mesh with each other, and the projection shaft 12a and the projection 4c provided at the end of the main chassis 4 are engaged with each other.
【００１１】ここで、断面形状がＬ型の板ばね５は、図
２（ハ）で示すようにＺ１、Ｚ２方向および、Ｙ１、Ｙ
２方向の曲げ力に対しては剛性が高く丈夫であるがＲ
１、Ｒ２方向の捩り力に対しては比較的弱い構造であ
り、かつ一定の回転量、捩り力以下では同一の形状に戻
る弾性を有している。このことによりメインシャ−シ４
は、Ｚ１、Ｚ２方向および、Ｙ１、Ｙ２方向の力に対し
ては剛性が高く丈夫で位置ずれを起こさないが、板ばね
５の位置を中心としてＳ１、Ｓ２方向に回動するように
なっている。Here, the leaf spring 5 having an L-shaped cross-section has the Z1 and Z2 directions and the Y1 and Y directions as shown in FIG.
It has high rigidity and is durable against bending force in two directions, but R
It has a relatively weak structure against the torsional forces in the R1 and R2 directions, and has the elasticity of returning to the same shape under a certain amount of rotation and a certain torsional force. This makes the main chassis 4
Has high rigidity and is strong against the forces in the Z1 and Z2 directions and the Y1 and Y2 directions, and does not cause a positional deviation, but it rotates about the position of the leaf spring 5 in the S1 and S2 directions. There is.
【００１２】以上のように構成された円盤記録再生装置
の動作について図２（イ）、（ロ）、（ハ）を用いて説
明する。図２は円盤記録再生装置の実施例の断面図であ
る。筐体１の挿入口１ｂから保護用のカ−トリッジケ−
ス１５に入った記録円盤１４を挿入し、奥まで入れる
と、筐体１の内部に設けられた位置決め板１ｃに当た
り、記録円盤１４の中心孔とタ−ンテ−ブルの中心が略
一致する位置で略固定される。図２（イ）、（ロ）の状
態ではメインシャ−シ４は図示のようにＳ２方向に傾い
た状態にある。この状態では、図２（ロ）から分かるよ
うに、タ−ンテ−ブル２の中央にある凸部のセンタ−リ
ング２ａは、カ−トリッジケ−ス１５の位置からＳ２方
向に避けており、カ−トリッジケ−ス１５は自在にＹ
１、Ｙ２方向に移動できる。図２（ロ）の状態からギア
−ドモ−タ１１が動作し、ピニオン歯車１１ａを介して
平歯車１２を回動させ、突起軸１２ａと係合しているメ
インシャ−シ４の突起４ｃがＳ１方向に動く。メインシ
ャ−シ４が記録円盤１４と平行になる位置までくると、
センタ−リング２ａと記録円盤１４の中心穴１４ａが係
合し、記録円盤１４はタ−ンテ−ブル２上に位置決めさ
れる。記録円盤１４の中心穴１４ａの周辺には磁性体の
金属製ハブ１４ｂが取り付けられており、また、タ−ン
テ−ブル２上には磁石２ｂが埋め込まれており、この磁
石２ｂの磁力により記録円盤１４はタ−ンテ−ブル２上
に吸着固定される。この状態でディスクモ−タ３を回転
させ、ピックアップ８をＹ１、Ｙ２方向に走査させ、記
録円盤１４に信号を記録したり、記録円盤１４上の記録
信号を再生する。記録円盤１４が入ったカ−トリッジケ
−ス１５を円盤記録再生装置から取り出す場合は、ギア
−ドモ−タ１１を逆回転させメインシャ−シ４の突起４
ｃをＳ２方向に動かす。図２（ロ）状態になると記録円
盤１４が入ったカ−トリッジケ−ス１５をＹ２方向に動
かし円盤記録再生装置から取り出すことができる。The operation of the disk recording / reproducing apparatus configured as described above will be described with reference to FIGS. 2 (a), 2 (b) and 2 (c). FIG. 2 is a sectional view of an embodiment of the disk recording / reproducing device. A cartridge cartridge for protection from the insertion opening 1b of the housing 1.
When the recording disk 14 that has entered the space 15 is inserted and inserted all the way, it hits the positioning plate 1c provided inside the housing 1, and the center hole of the recording disk 14 and the center of the turntable are substantially aligned with each other. Is almost fixed in. In the states of FIGS. 2A and 2B, the main chassis 4 is tilted in the S2 direction as shown. In this state, as can be seen from FIG. 2B, the center ring 2a of the convex portion at the center of the turntable 2 is avoided in the S2 direction from the position of the cartridge case 15. -Trigger case 15 is freely Y
It can move in the 1 and Y2 directions. From the state shown in FIG. 2B, the gear motor 11 operates to rotate the spur gear 12 via the pinion gear 11a, and the projection 4c of the main chassis 4 engaging with the projection shaft 12a causes the projection 4c to move to S1. Move in the direction. When the main chassis 4 reaches a position parallel to the recording disk 14,
The center ring 2a and the center hole 14a of the recording disk 14 are engaged with each other, and the recording disk 14 is positioned on the turn table 2. A magnetic metal hub 14b is attached around the center hole 14a of the recording disk 14, and a magnet 2b is embedded on the turntable 2. Recording is performed by the magnetic force of the magnet 2b. The disk 14 is adsorbed and fixed on the turntable 2. In this state, the disc motor 3 is rotated and the pickup 8 is scanned in the Y1 and Y2 directions to record a signal on the recording disc 14 or reproduce a recording signal on the recording disc 14. When the cartridge case 15 containing the recording disk 14 is taken out from the disk recording / reproducing apparatus, the gear motor 11 is rotated in the reverse direction so that the projection 4 of the main chassis 4 is rotated.
Move c in the S2 direction. In the state shown in FIG. 2B, the cartridge case 15 containing the recording disk 14 can be moved in the Y2 direction and taken out from the disk recording / reproducing apparatus.
【００１３】図３は、図１の円盤記録再生装置に振動吸
収用の粘弾性体を組み込んだ実施例の構成概要を示した
斜視図である。また、図４（ａ）、（ｂ）に粘弾性体取
りつけ部の断面図を示す。１６および１７はゴム、樹脂
等の粘弾性体であり、筐体および外部からメインシャ−
シ４に伝わる振動を吸収減衰させる。また、断面形状が
Ｌ型の板ばね５に例示する支持体を制振機能を有する鋼
板でつくることにより、板ばね５自体が筐体および外部
からメインシャ−シ４に伝わる振動を吸収減衰させるこ
ともできる。また粘弾性体としては、上記以外にも繊維
質のものを接着融合材等で固着成形したものや、ゴムや
樹脂との組み合わせ等、振動を吸収する性質を有する部
材で適当な強度を有するものであれば有効である。FIG. 3 is a perspective view showing an outline of the configuration of an embodiment in which a viscoelastic body for absorbing vibration is incorporated in the disk recording / reproducing apparatus of FIG. 4A and 4B are cross-sectional views of the viscoelastic body mounting portion. Reference numerals 16 and 17 are viscoelastic bodies such as rubber and resin, which are used as a main chassis from the housing and the outside.
Absorbs and attenuates the vibration transmitted to the cable 4. In addition, by making a support body exemplified by the leaf spring 5 having an L-shaped cross section from a steel plate having a vibration damping function, the leaf spring 5 itself absorbs and damps vibrations transmitted to the main chassis 4 from the housing and the outside. You can also In addition to the above, as the viscoelastic body, a fibrous material fixedly molded with an adhesive fusion material or the like, a member having a property of absorbing vibration such as a combination with rubber or resin, and having appropriate strength If so, it is effective.
【００１４】なお本実施例ではピックアップを１個搭載
の片面用円盤記録再生装置を表しているが、ピックアッ
プを２個搭載した両面用円盤記録再生装置にも使用でき
る。In this embodiment, a single-sided disk recording / reproducing apparatus equipped with one pickup is shown, but it can also be used in a double-sided disk recording / reproducing apparatus equipped with two pickups.
【００１５】支持部材としてはＬ型の板ばね５で説明し
たが、捩れ方向にのみ弾性を有する部材形状、材質であ
ればよく、一定の厚みを有する平板、Ｔ型板ばね、Ｕ型
板ばね、Ｘ型板ばねや、図７の従来例の構造でも回動軸
受けにリングバネで付勢しがたつきを軽減したものでも
可能である。Although the L-shaped leaf spring 5 has been described as the supporting member, any member shape and material having elasticity only in the twisting direction may be used, and a flat plate having a certain thickness, a T-shaped leaf spring, and a U-shaped leaf spring. It is also possible to use an X-shaped leaf spring or the structure of the conventional example shown in FIG. 7 in which the rattling of the rotary bearing is reduced by a ring spring.
【００１６】次に第２の実施例について図面を参照して
説明する。図５（イ）、（ロ）、（ハ）は、図２の円盤
記録再生装置に記録円盤排出時のピックアップ固定用の
部材を筐体内に組込んだ実施例の構成概要と動作を示す
断面図であり、２１は固定部材である。図５（イ）、
（ロ）の状態ではメインシャ−シ４は図示のようにＳ２
方向に傾いた状態にある。図５から分かるように、この
状態でピックアップ８は、筐体内に組込んだ固定部材２
１の一部に当接しており、Ｙ１、Ｙ２方向の動作が適度
な強度で固定される。図５（ハ）の状態ではメインシャ
−シ４と記録円盤１４が平行であり、ピックアップ８
は、固定部材２１との当接が解除され、Ｙ１、Ｙ２方向
に動作できるようになる。Next, a second embodiment will be described with reference to the drawings. 5 (a), (b), and (c) are cross-sectional views showing an outline configuration and operation of an embodiment in which a member for fixing a pickup at the time of ejecting the recording disk is incorporated in the housing in the disk recording / reproducing apparatus of FIG. It is a figure and 21 is a fixing member. Figure 5 (a),
In the state of (b), the main chassis 4 is S2 as shown in the figure.
It is tilted in the direction. As can be seen from FIG. 5, in this state, the pickup 8 has the fixing member 2 assembled in the housing.
It is in contact with a part of No. 1 and the movement in the Y1 and Y2 directions is fixed with appropriate strength. In the state of FIG. 5C, the main chassis 4 and the recording disk 14 are parallel, and the pickup 8
Comes out of contact with the fixing member 21 and becomes operable in the Y1 and Y2 directions.
【００１７】図６は、図２の円盤記録再生装置に記録円
盤排出時のピックアップ固定用の部材を筐体内に組込ん
だ第３の実施例の構成概要と動作を示す断面図である。
１９は固定板であり、２０は固定部材である。固定板１
９は筐体１内の固定板支持突起１ｅに取り付けられてお
り、固定板支点１ｆを支点にしてＳ１、Ｓ２方向に回動
できる。ズ６（イ）、（ロ）の状態では固定板１９は、
自身のばね力により常時Ｓ１方向に付勢される。固定部
材２０は固定板１９に取り付けられている。図６
（イ）、（ロ）の状態ではメインシャ−シ４は図示のよ
うにＳ２方向に傾いた状態にある。同図に示すように、
この状態でメインシャ−シ４は固定板先端部１９ａを押
さえるため、固定板１９はＳ２方向に傾き、固定部材２
０の一部がピックアップ８に当接し、ピックアップ８の
Ｙ１、Ｙ２方向の動作を固定する。図６（ハ）の状態で
はメインシャ−シ４と記録円盤１４が平行であり、固定
板先端部１９ａにかかっていたメインシャ−シ４からの
付勢力が無くなり、固定板１９もＳ１方向に動作する。
ピックアップ８は、固定部材２０との当接が解除され、
Ｙ１、Ｙ２方向に動作できるようになる。また当接が解
除されたとき固定板１９が自由運動を起こさないよう
に、筐体１と固定板１９の間に永久磁石などの吸引部材
や、固定板支点の近傍で１９ａ側に適度なばねを挿入
し、付勢しておくことも有効である。FIG. 6 is a sectional view showing the outline of the construction and operation of the third embodiment in which a member for fixing the pickup at the time of ejecting the recording disk is incorporated in the housing in the disk recording / reproducing apparatus of FIG.
Reference numeral 19 is a fixing plate, and 20 is a fixing member. Fixed plate 1
9 is attached to the fixed plate support protrusion 1e in the housing 1, and can be rotated in the S1 and S2 directions with the fixed plate fulcrum 1f as a fulcrum. In the state of 6 (a) and (b), the fixed plate 19 is
It is always urged in the S1 direction by its own spring force. The fixing member 20 is attached to the fixing plate 19. Figure 6
In the states (a) and (b), the main chassis 4 is tilted in the S2 direction as shown. As shown in the figure,
In this state, the main chassis 4 presses the front end portion 19a of the fixing plate, so that the fixing plate 19 tilts in the S2 direction and the fixing member 2
A part of 0 abuts on the pickup 8 and fixes the movement of the pickup 8 in the Y1 and Y2 directions. In the state of FIG. 6C, the main chassis 4 and the recording disk 14 are parallel to each other, the urging force from the main chassis 4 applied to the fixed plate tip portion 19a disappears, and the fixed plate 19 also moves in the S1 direction. .
The pickup 8 is released from contact with the fixing member 20,
It becomes possible to operate in the Y1 and Y2 directions. Further, in order to prevent the fixed plate 19 from freely moving when the contact is released, an attractive member such as a permanent magnet is provided between the housing 1 and the fixed plate 19 and an appropriate spring on the 19a side near the fixed plate fulcrum. It is also effective to insert and bias.
【００１８】第２、第３の実施例における固定部材とし
ては、ゴムや樹脂等の粘弾性体があり、これ以外にも繊
維質のものを接着融合材等で固着成形したものや、ゴム
や樹脂との組み合わせ等の部材、樹脂などの細い繊維を
多数林立させたブラシでも有効である。As the fixing member in the second and third embodiments, there is a viscoelastic body such as rubber or resin. In addition to this, a fibrous material fixedly molded with an adhesive fusion material or the like, or rubber or It is also effective for a member such as a combination with a resin, and a brush in which a large number of fine fibers such as a resin are forested.
【００１９】なお、上記実施例では記録円盤を用いる光
ディスク装置で説明したが、磁気ディスク装置において
も有効であり、またカード状の記録媒体を利用する装置
でも、媒体を挿入する際にメインシャーシが媒体と接触
するのを回避する必要が有る場合には、ディスクモータ
部分の構成が異なるのみであり、本発明の範囲であるこ
とは自明である。In the above embodiment, an optical disk device using a recording disk has been described, but it is also effective in a magnetic disk device, and also in a device using a card-shaped recording medium, the main chassis does not work when the medium is inserted. When it is necessary to avoid contact with the medium, only the configuration of the disk motor portion is different, and it is obvious that it is within the scope of the present invention.
【００２０】[0020]
【発明の効果】本発明により、断面形状がＬ型の板ばね
等の１軸方向にのみ弾性を有する支持部材を介してメイ
ンシャ−シと筐体とを連結することにより、筐体に対す
るメインシャ−シのがたつきを無くし、かつメインシャ
−シを傾かせるディスクローディング時の回避動作を実
現できる。また、上記支持部材および支持部等に粘弾性
部材による振動吸収構造を備えることにより、筐体側お
よび外部からメインシャ−シに伝わる振動を有効に吸収
減衰させることができる。さらに支持部材が回動方向に
弾性を有するため、弾性による反発力を利用して重力加
速度を軽減する方向に構成できるため、ローディング駆
動用モータの負荷を軽減するという効果も有するもので
ある。According to the present invention, the main chassis and the chassis are connected to each other by connecting the main chassis and the chassis through a supporting member such as a leaf spring having an L-shaped cross section which has elasticity in only one axial direction. It is possible to eliminate the rattling of the shii and to avoid the operation of loading the disk by tilting the main chassis. Further, by providing the support member, the support portion, and the like with the vibration absorbing structure of the viscoelastic member, it is possible to effectively absorb and damp the vibration transmitted from the housing side and the outside to the main chassis. Further, since the supporting member has elasticity in the rotating direction, it can be configured to reduce the gravitational acceleration by utilizing the repulsive force due to the elasticity, which also has the effect of reducing the load on the loading drive motor.
【００２１】さらにメインシャーシが、下方に待機して
いるとき、ピックアップの下方の筺体上に粘弾性体等の
固定部材を備え、固定部材がピックアップの一部に当接
する構造を備えることにより、ピックアップを適度な強
度で位置規制でき、電源を切った状態での取り扱いが極
めて容易になるという効果を奏し、その実用的価値はき
わめて高いものである。Further, the main chassis is provided with a fixing member such as a viscoelastic body on the housing below the pickup when the main chassis stands by downward, and the fixing member has a structure that abuts against a part of the pickup. The position can be regulated with an appropriate strength, and it is extremely easy to handle when the power is off, and its practical value is extremely high.
【図１】本発明の実施例を示す円盤記録再生装置の斜視
図FIG. 1 is a perspective view of a disk recording / reproducing apparatus showing an embodiment of the present invention.
【図２】本発明の実施例およびロ−ディング機構の動作
を示す断面図FIG. 2 is a sectional view showing the operation of the embodiment of the present invention and the loading mechanism.
【図３】本発明の他の実施例を示す円盤記録再生装置の
斜視図FIG. 3 is a perspective view of a disk recording / reproducing apparatus showing another embodiment of the present invention.
【図４】本発明の円盤記録再生装置の弾性体取りつけ部
を示す断面図FIG. 4 is a sectional view showing an elastic body mounting portion of the disk recording / reproducing apparatus of the present invention.
【図５】本発明の第２の実施例およびロ−ディング機構
の動作を示す断面図FIG. 5 is a sectional view showing the operation of the second embodiment of the present invention and the loading mechanism.
【図６】本発明の第３の実施例およびロ−ディング機構
の動作を示す断面図FIG. 6 is a sectional view showing the operation of the third embodiment of the present invention and the loading mechanism.
【図７】従来例の基本構成を示す斜視図FIG. 7 is a perspective view showing a basic configuration of a conventional example.
【図８】従来例のロ−ディング機構の動作を示す図FIG. 8 is a diagram showing an operation of a loading mechanism of a conventional example.
１ 筐体 １ａ 支柱 １ｂ 挿入口 １ｃ 位置決め板 １ｄ 突起部 ２ タ−ンテ−ブル ２ａ センタ−リング ２ｂ 磁石 ３ ディスクモ−タ ４ メインシャ−シ ４ａ メインシャ−シの端部 ４ｂ メインシャ−シの回動支点 ４ｃ メインシャ−シの先端部突起 ５ 板ばね ８ ピックアップ １１ ギヤードモータ １４ 記録円盤 １５ カートリッジケース １６、１７ 粘弾性体 １９ 固定板 ２０ 固定部材 1 Case 1a Support 1b Insertion slot 1c Positioning plate 1d Protrusion 2 Turntable 2a Center ring 2b Magnet 3 Disc motor 4 Main chassis 4a Main chassis end 4b Main chassis rotation fulcrum 4c Tip of main chassis 5 Leaf spring 8 Pickup 11 Geared motor 14 Recording disk 15 Cartridge case 16, 17 Viscoelastic body 19 Fixing plate 20 Fixing member
Claims (6)
タと、前記ディスクモ−タのシャフトに略同心に取り付
けられたタ−ンテ−ブルと、前記記録円盤に信号を記録
再生するピックアップと、前記記録円盤の信号記録面と
対面して前記ピックアップを走査させる走査手段と、前
記記録円盤を前記ディスクモ−タのシャフトの略同心位
置まで案内し位置を保持しあるいは排出するロ−ディン
グ機構と、前記ディスクモ−タと前記タ−ンテ−ブルと
前記ピックアップと前記走査手段を保持するメインシャ
−シと、前記ロ−ディング機構と前記メインシャ−シを
保持する筐体を有する円盤記録再生装置において、捩れ
による弾性で一軸方向にのみ回転可能で、その他の軸方
向に対しては剛性を有する支持部材によって前記メイン
シャ−シと前記筐体が連結され、前記メインシャ−シが
前記筐体に対して回動することを特徴とする円盤記録再
生装置。1. A disk drive for rotating a recording disk.
, A turntable mounted substantially concentrically on the shaft of the disc motor, a pickup for recording and reproducing signals on the recording disc, and a scanning of the pickup facing the signal recording surface of the recording disc. Scanning means, a loading mechanism for guiding the recording disk to a substantially concentric position of the shaft of the disk motor and holding or ejecting the position, the disk motor, the turntable and the pickup. In a disk recording / reproducing apparatus having a main chassis holding the scanning means and a housing holding the loading mechanism and the main chassis, it is possible to rotate only in one axial direction due to elasticity due to twisting, and in other axial directions. The main chassis and the housing are connected to each other by a supporting member having rigidity, and the main chassis is connected to the housing. Disc recording and reproducing apparatus, characterized in that the dynamic.
支持部材が、Ｌ型の断面形状を有する板ばねであること
を特徴とする請求項１記載の円盤記録再生装置。2. The disk recording / reproducing apparatus according to claim 1, wherein the support member connecting the main chassis and the housing is a leaf spring having an L-shaped cross section.
部あるいは前記支持部材と前記筐体の連結部および、前
記メインシャ−シを前記筐体から支持する部分に、筐体
および外部からの振動を吸収減衰させるための粘弾性体
を有することを特徴とする請求項２記載の円盤記録再生
装置。3. Vibrations from the housing and the outside at the connecting portion between the supporting member and the main chassis or at the connecting portion between the supporting member and the housing and the portion supporting the main chassis from the housing. The disk recording / reproducing apparatus according to claim 2, further comprising a viscoelastic body for absorbing and attenuating.
タと、前記ディスクモ−タのシャフトに略同心に取り付
けられたタ−ンテ−ブルと、前記記録円盤に信号を記録
再生するピックアップと、前記記録円盤の信号記録面と
対面して前記ピックアップを走査させる走査手段と、前
記記録円盤を前記ディスクモ−タのシャフトの略同心位
置まで案内し位置を保持し、あるいは排出するロ−ディ
ング機構と、前記ディスクモ−タと前記タ−ンテ−ブル
と前記ピックアップと前記走査手段を保持するメインシ
ャ−シと、前記ロ−ディング機構と前記メインシャ−シ
を保持する筐体を有する円盤記録再生装置において、一
軸方向にのみ回転可能で、その他の軸方向に対しては剛
性を有する支持部材によって前記メインシャ−シと前記
筐体が連結され、前記ピックアップの下方の筺体上に固
定部材を備え、前記固定部材は、前記メインシャ−シが
前記筐体側に回動したとき前記ピックアップの一部に当
接する事を特徴とする円盤記録再生装置。4. A disk drive for rotating a recording disk.
, A turntable mounted substantially concentrically on the shaft of the disc motor, a pickup for recording and reproducing signals on the recording disc, and a scanning of the pickup facing the signal recording surface of the recording disc. Scanning means, a loading mechanism for guiding the recording disk to a substantially concentric position of the shaft of the disk motor and holding or ejecting the position, the disk motor, the turntable and the pickup. In a disk recording / reproducing device having a main chassis for holding the scanning means and a housing for holding the loading mechanism and the main chassis, the disk recording / reproducing device is rotatable only in one axial direction, and in other axial directions. The main chassis and the housing are connected by a supporting member having rigidity, and a fixing member is provided on a housing below the pickup. The fixing member, the Meinsha - shea disc recording and reproducing apparatus, characterized in that the contact part of the pickup when pivoted to the housing side.
とする請求項４記載の円盤記録再生装置。5. The disk recording / reproducing apparatus according to claim 4, wherein the fixing member is a viscoelastic body.
接した時、他の当接しない部分を持ち上げ、メインシャ
ーシと筺体の有する角度と略同一の角度支持点を中心に
傾く傾斜構造を有することを特徴とする請求項４記載の
円盤記録再生装置。6. An inclined structure in which the fixing member, when abutting on a part of the main chassis, raises other non-abutting parts and inclines about a support point which is substantially the same angle as the angle of the main chassis and the housing. 5. The disk recording / reproducing device according to claim 4, which has.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6214697A JP2762936B2 (en) | 1994-09-08 | 1994-09-08 | Disk recording and playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6214697A JP2762936B2 (en) | 1994-09-08 | 1994-09-08 | Disk recording and playback device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05254074 Division | 1993-09-29 | 1993-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07111079A true JPH07111079A (en) | 1995-04-25 |
| JP2762936B2 JP2762936B2 (en) | 1998-06-11 |
Family
ID=16660111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6214697A Expired - Fee Related JP2762936B2 (en) | 1994-09-08 | 1994-09-08 | Disk recording and playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2762936B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007200376A (en) * | 2006-01-23 | 2007-08-09 | Matsushita Electric Ind Co Ltd | Disk loading device |
| JP2009043364A (en) * | 2007-08-10 | 2009-02-26 | Pioneer Electronic Corp | Disk device |
-
1994
- 1994-09-08 JP JP6214697A patent/JP2762936B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007200376A (en) * | 2006-01-23 | 2007-08-09 | Matsushita Electric Ind Co Ltd | Disk loading device |
| JP2009043364A (en) * | 2007-08-10 | 2009-02-26 | Pioneer Electronic Corp | Disk device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2762936B2 (en) | 1998-06-11 |
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